Quantitative Aptitude - Arithmetic Ability Questions

Q:

For triangle PQR, find equation of altitude PS if co-­ordinates of P, Q and R are (1,2), (2,­-1) and (0,5) respectively?

A) x ­- 3y = ­-7 B) x -­ 3y = -­5
C) x + 3y = ­4 D) x + 3y = ­7
 
Answer & Explanation Answer: C) x + 3y = ­4

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Q:

Expand and simplify (x + 5)2 + (x - 3)2

A) 2(x2 + 2x - 17) B) 2(x2 - 2x + 17)
C) 2(x2 - 2x - 17) D) 2(x2 + 2x + 17)
 
Answer & Explanation Answer: D) 2(x2 + 2x + 17)

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Q:

What percentage of 1 day is 18 minutes?

A) 7.5% B) 1.25%
C) 12.5% D) 1.8%
 
Answer & Explanation Answer: B) 1.25%

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Q:

What is the value 32cos 39sin 51-sin239 + sin251

A) 1/2 B) 5/2
C) 0 D) Both 1/2 and 5/2
 
Answer & Explanation Answer: D) Both 1/2 and 5/2

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Q:

What is the value of {[sin (x + y) – 2 sin x + sin (x – y)]/[cos (x – y) + cos (x + y) – 2 cos x]} × [(sin 10x – sin 8x)/(cos 10x + cos 8x)]?

A) 0 B) tan2x
C) 1 D) 2 tan x
 
Answer & Explanation Answer: B) tan2x

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Q:

Which of the following is TRUE?

A) 1123>1294>15 B) 1294>1123>15
C) 15>1123>1294 D) 15>1294>1123
 
Answer & Explanation Answer: C) 15>1123>1294

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) CEF B) GIJ
C) LNO D) STW
 
Answer & Explanation Answer: D) STW

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Q:

Findout the odd word/letters/number/number pair from the given alternatives.

A) BC B) IF
C) CL D) GH
 
Answer & Explanation Answer: A) BC

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